Home / 124,429.01-171,716.10-69,990.63

Finding the Fourth Proportional to 124,429.01, 171,716.10 and 69,990.63

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Solution

The fourth proportional to 124,429.01, 171,716.10 and 69,990.63 is: 96,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429.01 : 171,716.10 = 69,990.63 : x
  2. Step 2: Convert to fraction form
    124,429.01/171,716.10 = 69,990.63/x
  3. Step 3: Cross multiply
    124,429.01x = 171,716.10 × 69,990.63
  4. Step 4: Simplify right side
    124,429.01x = 12,018,518,473.34
  5. Step 5: Solve for x
    x = 12,018,518,473.34/124,429.01
  6. Step 6: Final answer
    x = 96,589.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.